<!DOCTYPE html>
<html xmlns:th="http://www.w3.org/1999/xhtml">
<head th:include="include/header_css::header('欢迎页')"></head>
<body>
<div class="container">
    <div class="jumbotron">
        <h1>欢迎您登陆</h1>
        <p>知心云后台管理系统</p>
        <p><a class="btn btn-primary btn-lg" role="button">
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</div>
</body>
</html>